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André Draszik a57743bf00 rtc: s5m: prepare for external regmap
The Samsung S2MPG10 PMIC is not connected via I2C as this driver
assumes, hence this driver's current approach of creating an I2C-based
regmap doesn't work for it, and this driver should use the regmap
provided by the parent (core) driver instead for that PMIC.

To prepare this driver for s2mpg support, restructure the code to only
create a regmap if one isn't provided by the parent.

No functional changes, since the parent doesn't provide a regmap for
any of the PMICs currently supported by this driver. Having this change
separate will simply make the addition of S2MPG10 support more
self-contained, without additional restructuring.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20250409-s2mpg10-v4-26-d66d5f39b6bf@linaro.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
History 2025-06-23 23:58:39 +02:00
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.